642332880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{127447}}^1$

素因数の和:127473

約数の個数: 120

約数和(自身を含む): 2465354112

約数和(自身を除く): 1823021232

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 127447, 254894, 382341, 509788, 637235, 764682, 892129, 1019576, 1147023, 1274470, 1529364, 1784258, 1911705, 2039152, 2294046, 2548940, 2676387, 3058728, 3568516, 3823410, 4460645, 4588092, 5097880, 5352774, 5735115, 6117456, 7137032, 7646820, 8029161, 8921290, 9176184, 10195760, 10705548, 11470230, 13381935, 14274064, 15293640, 16058322, 17842580, 18352368, 21411096, 22940460, 26763870, 30587280, 32116644, 35685160, 40145805, 42822192, 45880920, 53527740, 64233288, 71370320, 80291610, 91761840, 107055480, 128466576, 160583220, 214110960, 321166440, 642332880]

約数ペア:

[(1, 642332880), (2, 321166440), (3, 214110960), (4, 160583220), (5, 128466576), (6, 107055480), (7, 91761840), (8, 80291610), (9, 71370320), (10, 64233288), (12, 53527740), (14, 45880920), (15, 42822192), (16, 40145805), (18, 35685160), (20, 32116644), (21, 30587280), (24, 26763870), (28, 22940460), (30, 21411096), (35, 18352368), (36, 17842580), (40, 16058322), (42, 15293640), (45, 14274064), (48, 13381935), (56, 11470230), (60, 10705548), (63, 10195760), (70, 9176184), (72, 8921290), (80, 8029161), (84, 7646820), (90, 7137032), (105, 6117456), (112, 5735115), (120, 5352774), (126, 5097880), (140, 4588092), (144, 4460645), (168, 3823410), (180, 3568516), (210, 3058728), (240, 2676387), (252, 2548940), (280, 2294046), (315, 2039152), (336, 1911705), (360, 1784258), (420, 1529364), (504, 1274470), (560, 1147023), (630, 1019576), (720, 892129), (840, 764682), (1008, 637235), (1260, 509788), (1680, 382341), (2520, 254894), (5040, 127447)]